4. TROUBLE SHOOTING
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4.10 Key Sense Trouble
Key Sense sequence of L602i is :
Default condition ROW(0-4) is 2.7V -> Press the key -> Corresponding row(x) and col(x)
go to 0V -> Key sensing
Start
Work well?
Check the RA600,
R617 with no key press
Change the Main board
End
Yes
NO
Change the side key
pcb
Check the RA600,
R617 with key press
NO
ROW(0-4) is 2.7V?
Check RA600,R617
NO
YES
Z3X-BOX.COM
Содержание L602i
Страница 3: ... 4 Z 3 X B O X C O M ...
Страница 34: ...3 TECHNICAL BRIEF 35 3 7 Hardware Architecture Figure Simplified Block Diagram Z 3 X B O X C O M ...
Страница 46: ...3 TECHNICAL BRIEF 47 Figure PM6650 2 Functional Block Diagram Z 3 X B O X C O M ...
Страница 71: ...4 TROUBLE SHOOTING 72 4 2 SIGNAL PATH WCDMA Tx PATH WCDMA Rx PATH Z 3 X B O X C O M ...
Страница 83: ...4 TROUBLE SHOOTING 84 4 5 5 Check RF Rx Level TP1 TP3 TP4 Bias1 TP2 Z 3 X B O X C O M ...
Страница 101: ...4 TROUBLE SHOOTING 102 LCD Control data flow Z 3 X B O X C O M ...
Страница 109: ...4 TROUBLE SHOOTING 110 AUDIO AMP R502 C501 R503 FP500 501 CN600 PIN 14 15 Speaker Soldering Point Z 3 X B O X C O M ...
Страница 113: ...4 TROUBLE SHOOTING 114 Z 3 X B O X C O M ...
Страница 126: ...5 DOWNLOAD 127 Download of Module image in progress Download process has completed successfully Z 3 X B O X C O M ...
Страница 130: ...5 DOWNLOAD 131 Click on X button to use another function Z 3 X B O X C O M ...
Страница 134: ...6 BLOCK DIAGRAM 135 Table 2 1 1 RF Block Component Z 3 X B O X C O M ...
Страница 137: ...6 BLOCK DIAGRAM 138 Top Side Z 3 X B O X C O M ...
Страница 138: ...6 BLOCK DIAGRAM 139 Bottom Side Z 3 X B O X C O M ...
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Страница 149: ... 150 8 PCB LAYOUT Z 3 X B O X C O M ...
Страница 150: ... 151 8 PCB LAYOUT Z 3 X B O X C O M ...
Страница 151: ... 152 8 PCB LAYOUT Z 3 X B O X C O M ...
Страница 152: ... 153 8 PCB LAYOUT Z 3 X B O X C O M ...
Страница 153: ... 154 LGMC 8 PCB LAYOUT Z 3 X B O X C O M ...
Страница 154: ... 155 LGMC 8 PCB LAYOUT Z 3 X B O X C O M ...
Страница 155: ... 156 8 PCB LAYOUT Z 3 X B O X C O M ...
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